Finding the Third Proportional to 320,760 and 703,274.27

Step by Step Solution

1. Step 1: Write the proportion equation
   320,760 : 703,274.27 = 703,274.27 : x
2. Step 2: Convert to fraction form
   320,760/703,274.27 = 703,274.27/x
3. Step 3: Cross multiply
   320,760x = 703,274.27 × 703,274.27
4. Step 4: Simplify right side
   320,760x = 494,594,703,679.04
5. Step 5: Solve for x
   x = 494,594,703,679.04/320,760
6. Step 6: Final answer
   x = 1,541,946.33